Common fabrics for backpacks
Generally, the description of fabrics in backpack manuals is not very detailed, only saying CORDURA or HD. It only says a weaving method. If a more detailed description is needed, it should be material + fiber density + weaving method. For example: N. 1000D CORDURA means 1000D nylon CORDURA material. Many people think that the "D" in backpack materials stands for density or weight. This is wrong. D is the abbreviation of denier. And Denier is the unit of measurement for fiber. The calculation method is: 1 gram of line weighing 9,000 meters is called Denier. So, the smaller the number in front of D, the thinner its line is and the smaller its density is. For example, 210D material has very fine grain and is generally used as the lining or interlayer of the bag. 900D or 1000D material has coarse grain and coarse thread, which is very wear-resistant and is generally used as the bottom of the bag.
Let's talk about the material first. The fabrics generally used on the bag are nylon and Poly, and occasionally the two materials are mixed together. Nylon is nylon and Poly is polyethylene. Both materials are extracted from petroleum. Nylon is of better quality than Poly, and of course it is more expensive. In terms of fabric, Nylon feels softer.
The following is a brief introduction to some fabrics that often appear in backpacks:
1. CORDURA
It is a fabric invented by DuPont, which has the functions of lightness, quick drying, softness, strong durability, and is not easy to change color after long-term use. It is said that this fabric will appear in two colors at different angles. Except for DuPont, no one else knows how to produce this material. It is generally woven with Nylon, with fiber density (Denier) as the strength standard. There are 160D, 210D, 330D, 420D, 600D, 900D, 1000D, etc. The higher the number, the stronger it is and the coarser the texture. Generally, 160D to 210D is used on clothes or as the lining of general outdoor bags. This material has a coating on the back, and ordinary moderate rain will not soak the material. 2. KODRA
KODRA is a fabric produced in Korea. It can replace CORDURA to a certain extent. It is said that the inventor of this fabric originally wanted to study how CORDURA was spun, but he failed to do so. Instead, he invented a new fabric, KODRA. This fabric is generally woven with Nylon, and the fiber density is also used as the strength standard, such as 600D and 1000D. There is a coating on the back, which is similar to CORDURA.
Pay special attention to a kind called Tetron Kodra, which is actually tetoron Kordra, a poly/nlon blend
3. OXFORD
The warp of Oxford spinning is woven by two strands, and the weft is also made of relatively thicker threads. The weaving method is one up and one down, which is a very common weaving method. It is generally 210D or 420D material. There is a coating on the back. It is used as the lining or interlayer of the bag.
4. HD
HD is the abbreviation of High Density, which means high density. The fabric looks similar to OXFORD. Generally 210D, 420D, usually used as the lining or interlayer of the bag. The reverse side is coated.
5.R/S
R/S is the abbreviation of Rip stop. This fabric is nylon with small squares. It is tougher than ordinary nylon. The outer edge of the squares on the fabric is made of thicker thread. The middle of the squares is woven with very fine thread. Generally 300D, 330D, 450D, etc. can be used as the main material of the backpack, such as the large surface, outer pocket and other parts. The reverse side is coated.
6.Dobby
The fabric of Dobby seems to be composed of many very fine grids, but if you look closely, you will find that it is woven with two kinds of threads, one thick and one thin, and the texture on the front and back is different. Generally, there is little coating. The strength is much worse than Cordura, and it is generally only used in leisure bags or short-distance travel bags. It is not used in mountaineering bags.
7.VELOCITY
VELOCITY is also a nylon cloth. It is very strong. It is also generally used in mountaineering bags. The reverse side is coated. There are 420D or higher strength ones. The front side of the fabric looks very similar to Dobby.
8. TAFFETA
TAFFETA is a very thin coated fabric, and some are coated more than once, so it has better waterproof performance. It is generally not used as the main fabric of backpacks, but only as raincoats or rain covers of backpacks.
9. Poly PU
Generally replaced by Poly. Poly density is generally 64t (low), 74t (medium), 82t (high). The fabric strength increases from 150D to 1800D. Generally, the high strength of 600D can be used as the bottom of mountaineering bags, but its weaving method is not as strong as CORDURA.
10. AIR MESH
It is generally called space mesh in Chinese, which is different from ordinary mesh. There is a gap between its mesh surface and the material below, which is generally 3mm or larger. It is this gap that makes it have good ventilation performance, so it is generally used as a shoulder strap or back or other places close to the body.
11. Mesh
Generally, there are many specifications of mesh, which are not introduced one by one. Nylon mesh is generally only placed on both sides of the bag as a sundries pocket or water pocket.
Let's talk about the material first. The fabrics generally used on the bag are nylon and Poly, and occasionally the two materials are mixed together. Nylon is nylon and Poly is polyethylene. Both materials are extracted from petroleum. Nylon is of better quality than Poly, and of course it is more expensive. In terms of fabric, Nylon feels softer.
The following is a brief introduction to some fabrics that often appear in backpacks:
1. CORDURA
It is a fabric invented by DuPont, which has the functions of lightness, quick drying, softness, strong durability, and is not easy to change color after long-term use. It is said that this fabric will appear in two colors at different angles. Except for DuPont, no one else knows how to produce this material. It is generally woven with Nylon, with fiber density (Denier) as the strength standard. There are 160D, 210D, 330D, 420D, 600D, 900D, 1000D, etc. The higher the number, the stronger it is and the coarser the texture. Generally, 160D to 210D is used on clothes or as the lining of general outdoor bags. This material has a coating on the back, and ordinary moderate rain will not soak the material. 2. KODRA
KODRA is a fabric produced in Korea. It can replace CORDURA to a certain extent. It is said that the inventor of this fabric originally wanted to study how CORDURA was spun, but he failed to do so. Instead, he invented a new fabric, KODRA. This fabric is generally woven with Nylon, and the fiber density is also used as the strength standard, such as 600D and 1000D. There is a coating on the back, which is similar to CORDURA.
Pay special attention to a kind called Tetron Kodra, which is actually tetoron Kordra, a poly/nlon blend
3. OXFORD
The warp of Oxford spinning is woven by two strands, and the weft is also made of relatively thicker threads. The weaving method is one up and one down, which is a very common weaving method. It is generally 210D or 420D material. There is a coating on the back. It is used as the lining or interlayer of the bag.
4. HD
HD is the abbreviation of High Density, which means high density. The fabric looks similar to OXFORD. Generally 210D, 420D, usually used as the lining or interlayer of the bag. The reverse side is coated.
5.R/S
R/S is the abbreviation of Rip stop. This fabric is nylon with small squares. It is tougher than ordinary nylon. The outer edge of the squares on the fabric is made of thicker thread. The middle of the squares is woven with very fine thread. Generally 300D, 330D, 450D, etc. can be used as the main material of the backpack, such as the large surface, outer pocket and other parts. The reverse side is coated.
6.Dobby
The fabric of Dobby seems to be composed of many very fine grids, but if you look closely, you will find that it is woven with two kinds of threads, one thick and one thin, and the texture on the front and back is different. Generally, there is little coating. The strength is much worse than Cordura, and it is generally only used in leisure bags or short-distance travel bags. It is not used in mountaineering bags.
7.VELOCITY
VELOCITY is also a nylon cloth. It is very strong. It is also generally used in mountaineering bags. The reverse side is coated. There are 420D or higher strength ones. The front side of the fabric looks very similar to Dobby.
8. TAFFETA
TAFFETA is a very thin coated fabric, and some are coated more than once, so it has better waterproof performance. It is generally not used as the main fabric of backpacks, but only as raincoats or rain covers of backpacks.
9. Poly PU
Generally replaced by Poly. Poly density is generally 64t (low), 74t (medium), 82t (high). The fabric strength increases from 150D to 1800D. Generally, the high strength of 600D can be used as the bottom of mountaineering bags, but its weaving method is not as strong as CORDURA.
10. AIR MESH
It is generally called space mesh in Chinese, which is different from ordinary mesh. There is a gap between its mesh surface and the material below, which is generally 3mm or larger. It is this gap that makes it have good ventilation performance, so it is generally used as a shoulder strap or back or other places close to the body.
11. Mesh
Generally, there are many specifications of mesh, which are not introduced one by one. Nylon mesh is generally only placed on both sides of the bag as a sundries pocket or water pocket.